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Finding the Fourth Proportional to 17,155.08, 23,674.14 and 9,703.08

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Solution

The fourth proportional to 17,155.08, 23,674.14 and 9,703.08 is: 13,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.08 : 23,674.14 = 9,703.08 : x
  2. Step 2: Convert to fraction form
    17,155.08/23,674.14 = 9,703.08/x
  3. Step 3: Cross multiply
    17,155.08x = 23,674.14 × 9,703.08
  4. Step 4: Simplify right side
    17,155.08x = 229,712,074.35
  5. Step 5: Solve for x
    x = 229,712,074.35/17,155.08
  6. Step 6: Final answer
    x = 13,390.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.